Segment Information (Details 3) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Goodwill	$ 2,240,642	$ 2,278,512	$ 2,016,169
Intangible assets, net	1,403,659	1,771,362
Operating Segments
Segment Reporting Information [Line Items]
Goodwill	2,240,642	2,278,512
Intangible assets, net	1,403,659	1,771,362
CPE
Segment Reporting Information [Line Items]
Goodwill	1,380,817	1,386,680	1,391,171
CPE \| Operating Segments
Segment Reporting Information [Line Items]
Goodwill	1,380,817	1,386,680
Intangible assets, net	587,728	807,314
N&C
Segment Reporting Information [Line Items]
Goodwill	570,852	573,798	624,998
N&C \| Operating Segments
Segment Reporting Information [Line Items]
Goodwill	570,852	573,798
Intangible assets, net	398,856	501,998
Enterprise
Segment Reporting Information [Line Items]
Goodwill	288,973	318,034	$ 0
Enterprise \| Operating Segments
Segment Reporting Information [Line Items]
Goodwill	288,973	318,034
Intangible assets, net	$ 417,075	$ 462,050

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 30
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-Paragraph 2
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